AstroLab
From neighbours to a galaxy map
From Milky Way neighbours to a distant survey: understand what positions reveal and what they do not prove.
50 s · Interactive subtitled film
Takeaway: A map of positions alone cannot identify cluster membership.
Useful background
Difference between a star and a galaxy; distance and direction.
What does a galaxy look like edge-on?
The journey · 2 chapters
- Our galactic neighbourhood
- Reading a survey
Why explore it?
French and English subtitles. Adjustable playback speed, free navigation and sequence reframing. AI-assisted editorial review.